Rattling noise near serpentine belt?
2005 Honda Accord ex-l 4cyl with 161,000 miles. I have been hearing a rattling noise coming from the belt area loudest in the front side of the engine. It seems to come on and off every 10 seconds. I replaced the belt tensioner as well as the serpentine belt. The alternator has 8,000 miles on it. I took it to the Honda dealer and their best guess is that it was the tensioner which i replaced today. The noise is still there. I included a video uploaded on youtube at the link below. The noise doesn't seem to be coming from the steering pump. Any ideas?
Take the belt off and turn each pulley by hand until you find the noisy one…
Remove the belt and check the harmonic balancer. When they separate they are noisy like that. Don't pass up what rick29148 said too.
Could be the timing gear, they seldom go much over 100,000 miles though.
Just had one that sounded like that and it was the alternator making the noise.
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